#randomized controlled trial

2 articles

A wide, softly lit editorial still life on a pale warm-gray concrete surface, shot from a slightly elevated three-quarter angle. In the center-left, two matte ceramic scoops sit side by side. One holds fine ivory whey powder, the other holds slightly coarser, pale golden collagen peptide powder. A small, elegant dusting of both powders spills between them and blends into a soft swirl. Behind them, three minimalist cream and sage-green supplement tubs with no legible text stand in a staggered row, with a frosted glass shaker bottle of creamy liquid beside them.

On the right, a brushed-steel barbell plate and a compact chalk-dusted kettlebell rest slightly out of focus, suggesting resistance training. Pale wisps of chalk hang in the air. A folded charcoal gym towel and a pair of worn leather lifting straps lie in the foreground. A single cross-section of a clean white bone model, a stylized vertebra, rests on a small oak block at the far right. It subtly signals the bone-density theme without looking clinical.

Natural window light enters from the left, casting long, gentle shadows and a warm highlight on the powders. The palette is muted and modern: oatmeal, bone white, sage green, soft charcoal, and touches of warm amber. Shallow depth of field keeps the scoops tack-sharp and melts the background into creamy blur. Leave generous negative space in the upper right for headline overlay. The overall feel is a premium health and science journal cover: clean, tactile, minimalist, with fine film-like grain and a calm, editorial mood.

Whey Plus colagen depășește orice variantă singulară la ridicatori — dar există un detaliu

BY DR. GYMBRO · 28 oct. 2026

Amestecarea a 30 g de zer cu 10 g de colagen a depășit zerul singur, colagenul singur și placebo în toți parametrii evaluaţi într-un studiu de opt săptămâni la bărbaţi antrenaţi la forță. Combinaţia a adus +2,66 kg de masă musculară (prin BIA), a crescut densitatea minerală osoasă a coloanei lombare și a îmbunătăţit performanțele la genuflexiune, împins de la piept și markerii de remodelare osoasă. Colagenul singur a influențat doar osul, iar zerul singur a influențat doar mușchiul. Cu doar 40 de participanţi, diferențe mari în aportul total de proteine și un salt surprinzător al DMO‑ului solicită rezerve.

A bright, airy editorial flat-lay shot from slightly above, on a soft warm-white linen surface with gentle natural window light and long, soft shadows. Two small ceramic dishes sit side by side at the center. The left dish holds a single small capsule in muted terracotta. The right dish holds one small capsule in the same color, with a noticeable empty space beside it to suggest rhythm and spacing. Between them lies a minimalist wooden calendar block or a row of seven small round ceramic discs in alternating tones, dusty rose and cream, evoking an every-other-day pattern. Around the dishes are fresh, iron-rich foods arranged with restraint: a halved blood orange, a few deep green spinach leaves, a small scattering of pumpkin seeds, and a sprig of parsley. A folded sage-green athletic towel and a slim, modern water bottle sit at the upper edge, hinting at women who train. A matte ceramic mug of herbal tea sits at the right with a faint curl of steam. A small notebook with a pen lies open at the lower left, its pages blank, suggesting lab results and tracking without any legible text. The palette is soft and cohesive: warm cream, dusty rose, terracotta, sage green, with small accents of deep coral. The mood is calm, clean, and wellness-oriented, like a contemporary health and science journal feature. Shallow depth of field keeps the capsules sharp and softly blurs the edges of the frame. The composition leaves generous negative space on the left third for title overlay. The look is a high-end lifestyle photograph with subtle film grain, natural textures, and refined minimalism, with no people, no text, and no futuristic or laboratory elements.

nutrition

Mai puţin fier, la fiecare două zile: aceleaşi creşteri ale feritinei la femei

BY DR. GYMBRO · 26 oct. 2026

Hepcidina poate reduce absorbţia de fier după o doză zilnică, motiv pentru care suplimentarea orală de fier este adesea dezamăgitoare şi irită stomacul. Un studiu randomizat din 2026, desfășurat pe 66 de femei cu deficit de fier, a comparat 21 mg de fier la fiecare 48 ore cu 30 mg zilnic, pe parcursul a 42 de zile. Feritina a crescut semnificativ în ambele grupuri, fără diferență semnificativă între ele, în timp ce hemoglobina a rămas stabilă și efectele gastrointestinale au fost uşoare. Studiul a fost controlat activ, fără grup placebo, iar formele de fier utilizate au fost diferite, astfel că rezultatul este comparabil, nu superior. Iată ce înseamnă asta pentru femeile care se antrenează și de ce ar trebui să verificaţi feritina înainte de a începe suplimentarea.